TY  - BOOK
AU  - Bedford,Bruce L.
TI  - Challenge underground: Bruce L. Bedford
SN  - 0047960434
U1  - 796.525 
PY  - 1975///
CY  - London
PB  - George Allen and Unwin
KW  - Caving
KW  - Cave diving
KW  - Cave divers
KW  - Caves
KW  - Spelunkers
N1  - Inculdes index
ER  -